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feat: add the ability to directly encrypt a specified FILE into OUTPUT in the current directory #299

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feat: add the ability to directly encrypt a specified FILE into OUTPUT in the current directory #299

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cfb1ead
added ability to directly encrypt a specified file
Rexcrazy804 Nov 24, 2024
71c1b6d
simplified redundant creation of tmpdir
Rexcrazy804 Nov 24, 2024
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44 changes: 44 additions & 0 deletions pkgs/agenix.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -13,6 +13,7 @@ function show_help () {
echo '-h, --help show help'
# shellcheck disable=SC2016
echo '-e, --edit FILE edits FILE using $EDITOR'
echo '-f, --encrypt FILE OUTPUT encrypts a given FILE to OUTPUT'
echo '-r, --rekey re-encrypts all secrets with specified recipients'
echo '-d, --decrypt FILE decrypts FILE to STDOUT'
echo '-i, --identity identity to use when decrypting'
Expand Down Expand Up @@ -47,6 +48,7 @@ test $# -eq 0 && (show_help && exit 1)

REKEY=0
DECRYPT_ONLY=0
ENCRYPT_FILE=0
DEFAULT_DECRYPT=(--decrypt)

while test $# -gt 0; do
Expand All @@ -65,6 +67,24 @@ while test $# -gt 0; do
fi
shift
;;
-f|--encrypt)
shift
ENCRYPT_FILE=1
if test $# -gt 0; then
export FILE=$1
else
echo "no FILE specified"
exit 1
fi
shift
if test $# -gt 0; then
export OUTPUT=$1
else
echo "no OUTPUT specified"
exit 1
fi
shift
;;
-i|--identity)
shift
if test $# -gt 0; then
Expand Down Expand Up @@ -188,6 +208,29 @@ function edit {
mv -f "$REENCRYPTED_FILE" "$FILE"
}

function encrypt {
FILE=$1
OUTPUT=$2
KEYS=$(keys "$OUTPUT") || exit 1

if [ ! -f "$FILE" ]
then
warn "$FILE does not exist."
return
fi

ENCRYPT=()
while IFS= read -r key
do
if [ -n "$key" ]; then
ENCRYPT+=(--recipient "$key")
fi
done <<< "$KEYS"

ENCRYPT+=(-o "$OUTPUT")
@ageBin@ "${ENCRYPT[@]}" <"$FILE" || exit 1
}

function rekey {
FILES=$( (@nixInstantiate@ --json --eval -E "(let rules = import $RULES; in builtins.attrNames rules)" | @jqBin@ -r .[]) || exit 1)

Expand All @@ -201,4 +244,5 @@ function rekey {

[ $REKEY -eq 1 ] && rekey && exit 0
[ $DECRYPT_ONLY -eq 1 ] && DEFAULT_DECRYPT+=("-o" "-") && decrypt "${FILE}" "$(keys "$FILE")" && exit 0
[ $ENCRYPT_FILE -eq 1 ] && encrypt "$FILE" "$OUTPUT" && exit 0
edit "$FILE" && cleanup && exit 0
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